Xyoo 2006, tus kws tshawb fawb Askiv Askiv Nicholas Stern tau ceeb toom tias ib qho kev phom sij loj tshaj plaws ntawm kev hloov pauv huab cua yuav yog kev tsiv teb tsaws chaw loj. Nws tau sau tias "kev ntxhov siab ntsig txog huab cua tau ua rau muaj kev kub ntxhov yav dhau los," thiab kev tsis sib haum xeeb yog ib qho kev pheej hmoo loj hauv thaj chaw xws li West Africa, Nile Basin, thiab Central Asia. Ntau tshaj li kaum xyoo tom qab…